<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" %>
<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no"/>
    <style type="text/css">
        body, html,#allmap {width: 100%;height: 100%;overflow: hidden;margin:0;font-family:"微软雅黑";}
    </style>
    <script type="text/javascript"
            src="http://api.map.baidu.com/api?v=2.0&ak=a2mxOoZ8cIHNQ5ZE4VlyCpN1nmIQSSF3"></script>
    <title>折线上添加方向箭头</title>
</head>
<body>
<h3>Map Test</h3>
<div id="allmap"></div>

<script type="text/javascript">
    // 百度地图API功能
    var map = new BMap.Map("allmap");    // 创建Map实例
    map.centerAndZoom(new BMap.Point(116.404, 39.915), 14);  // 初始化地图,设置中心点坐标和地图级别
    map.enableScrollWheelZoom(true);     //开启鼠标滚轮缩放
    var sy = new BMap.Symbol(BMap_Symbol_SHAPE_BACKWARD_OPEN_ARROW, {
        scale: 0.6,//图标缩放大小
        strokeColor:'#fff',//设置矢量图标的线填充颜色
        strokeWeight: '2',//设置线宽
    });
    var icons = new BMap.IconSequence(sy, '10', '30');
    // 创建polyline对象
    var pois = [
        new BMap.Point(116.350658,39.938285),
        new BMap.Point(116.386446,39.939281),
        new BMap.Point(116.389034,39.913828),
        new BMap.Point(116.442501,39.914603)
    ];
    var polyline =new BMap.Polyline(pois, {
        enableEditing: false,//是否启用线编辑，默认为false
        enableClicking: true,//是否响应点击事件，默认为true
        icons:[icons],
        strokeWeight:'8',//折线的宽度，以像素为单位
        strokeOpacity: 0.8,//折线的透明度，取值范围0 - 1
        strokeColor:"#18a45b" //折线颜色
    });

    map.addOverlay(polyline);          //增加折线
</script>
</body>
</html>
